Flight Luang Prabang International Airport departs from Luang Prabang Luang Prabang International Airport at 16:30 and arrives at Bangkok Don Mueang International Airport at 17:55.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 217 Km. So the average speed is roughly 90 Km.
There is an 1 hour time difference between Luang Prabang and Bangkok